That JAV

A fellow female agent was dosed with a substance that left her crippled. Upon hearing this story, Aoi discovers a strange similarity with an unsolved case that occurred three years ago. With advice from her sister, Yukine, Aoi continues her own investigation, but the more she looks into the case, the more she becomes convinced of her suspicions. Is the suspect inside the station? She asks her superiors Mirai and Hana for help, but it is already too late. The more he investigates, the more he becomes convinced of his suspicions.